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Questions and Answers
Which protein function is primarily responsible for maintaining growth?
Which protein function is primarily responsible for maintaining growth?
What type of fatty acid is characterized by having no carbon double bonds?
What type of fatty acid is characterized by having no carbon double bonds?
Which of the following fatty acids is classified as omega-3?
Which of the following fatty acids is classified as omega-3?
What is the main role of phospholipids in cell membranes?
What is the main role of phospholipids in cell membranes?
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Which type of lipids are found predominantly in animal sources and are solid at room temperature?
Which type of lipids are found predominantly in animal sources and are solid at room temperature?
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What is the primary function of cholesterol in the body?
What is the primary function of cholesterol in the body?
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Which of the following conditions can arise from a deficiency in linoleic acid?
Which of the following conditions can arise from a deficiency in linoleic acid?
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Which type of fatty acid typically has a higher melting point?
Which type of fatty acid typically has a higher melting point?
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In which food sources can you find alpha-linolenic acid?
In which food sources can you find alpha-linolenic acid?
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What is the consequence of hydrogenation of fats?
What is the consequence of hydrogenation of fats?
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Which type of fatty acid is primarily found in coconut oil?
Which type of fatty acid is primarily found in coconut oil?
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Which of the following is a source of omega-6 fatty acids?
Which of the following is a source of omega-6 fatty acids?
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What is the primary function of essential fatty acids in the diet?
What is the primary function of essential fatty acids in the diet?
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Which type of vitamin requires fat for its absorption?
Which type of vitamin requires fat for its absorption?
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In a calorie-restricted diet, which vitamin supplementation is most appropriate?
In a calorie-restricted diet, which vitamin supplementation is most appropriate?
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Which vitamin acts as a coenzyme in carbohydrate metabolism?
Which vitamin acts as a coenzyme in carbohydrate metabolism?
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What is the primary role of electrolytes in the body?
What is the primary role of electrolytes in the body?
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Which mineral is considered a trace element in the diet?
Which mineral is considered a trace element in the diet?
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What is the primary dietary source of vitamin E?
What is the primary dietary source of vitamin E?
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How does the body primarily excrete water-soluble vitamins?
How does the body primarily excrete water-soluble vitamins?
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Which source of energy does the brain primarily utilize?
Which source of energy does the brain primarily utilize?
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What is the temporary increase in glycogen stores known as?
What is the temporary increase in glycogen stores known as?
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What type of amino acids must be obtained through diet due to insufficient synthesis by the body?
What type of amino acids must be obtained through diet due to insufficient synthesis by the body?
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Which of the following hormones primarily regulates metabolism and the oxidation rate?
Which of the following hormones primarily regulates metabolism and the oxidation rate?
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What type of fiber can absorb water and is broken down by intestinal microflora?
What type of fiber can absorb water and is broken down by intestinal microflora?
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What is the main food source for carbohydrates derived from plants?
What is the main food source for carbohydrates derived from plants?
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Which of the following carbohydrates is resistant to digestion?
Which of the following carbohydrates is resistant to digestion?
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What macronutrient is primarily responsible for the protein-sparing action in the body?
What macronutrient is primarily responsible for the protein-sparing action in the body?
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Which vitamin is critical for enzyme activation, particularly in energy production?
Which vitamin is critical for enzyme activation, particularly in energy production?
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During which condition might certain amino acids become condtionally essential?
During which condition might certain amino acids become condtionally essential?
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What does the basal metabolic rate (BMR) mainly reflect?
What does the basal metabolic rate (BMR) mainly reflect?
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Which protein classification includes only essential amino acids in sufficient ratios?
Which protein classification includes only essential amino acids in sufficient ratios?
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Indirect calorimetry is useful for assessing energy metabolism in which individuals?
Indirect calorimetry is useful for assessing energy metabolism in which individuals?
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Which macronutrient has the highest caloric value per gram?
Which macronutrient has the highest caloric value per gram?
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Flashcards
Triglyceride
Triglyceride
A type of lipid that is made up of three fatty acids attached to a glycerol molecule.
Fatty Acid
Fatty Acid
A straight chain of carbon atoms with a carboxyl group (COOH) at one end and a methyl group (CH3) at the other end.
Saturated Fatty Acid
Saturated Fatty Acid
A fatty acid that has no double bonds between its carbon atoms.
Unsaturated Fatty Acid
Unsaturated Fatty Acid
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Monounsaturated Fatty Acid (MUFA)
Monounsaturated Fatty Acid (MUFA)
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Polyunsaturated Fatty Acid (PUFA)
Polyunsaturated Fatty Acid (PUFA)
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Omega-3 Fatty Acid
Omega-3 Fatty Acid
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Omega-6 Fatty Acid
Omega-6 Fatty Acid
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Hydrogenation
Hydrogenation
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Trans Fatty Acid
Trans Fatty Acid
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Saturated Fatty Acids (SFAs)
Saturated Fatty Acids (SFAs)
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Essential Fatty Acids
Essential Fatty Acids
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Eicosanoids
Eicosanoids
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Vitamins
Vitamins
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Fat-Soluble Vitamins
Fat-Soluble Vitamins
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Water-Soluble Vitamins
Water-Soluble Vitamins
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Glucose
Glucose
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Ketone Bodies
Ketone Bodies
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Glycogen
Glycogen
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Fat
Fat
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Gluconeogenesis
Gluconeogenesis
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Homeostasis
Homeostasis
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Enzymes
Enzymes
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Coenzymes
Coenzymes
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Substrate
Substrate
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Cofactors
Cofactors
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Hormones
Hormones
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Thyroxine
Thyroxine
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Anabolism
Anabolism
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Catabolism
Catabolism
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Basal Energy Expenditure (BEE)
Basal Energy Expenditure (BEE)
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Study Notes
Human Nutrition Fundamentals
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Energy & Nutrients: Energy is derived from macronutrients (carbohydrates, fats, proteins), micronutrients, alcohol, fluids, and electrolytes. Acid-base balance is also important.
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Human Nutrition: The process encompasses intake, digestion, absorption, metabolism, and elimination.
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Energy: The brain uses glucose for energy; ketone bodies are used during starvation to provide energy.
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Storage: Glucose is stored as glycogen in muscles and the liver, while fat is stored in adipose tissue.
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Protein: Cellular mass is composed of proteins. Non-carbohydrate sources like glycerol and amino acids can be converted into glucose. Homeostasis maintains a consistent internal body environment.
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Cellular Processes: Enzymes (proteins) catalyze reactions controlled by coenzymes (some vitamins) and cofactors (minerals). Pantothenic acid, thiamine, riboflavin, and niacin are crucial for energy production.
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Hormones: Chemical messengers secreted by endocrine glands, such as thyroxine, influence metabolism and growth.
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Energy Reactions: Anabolism builds complex molecules, and catabolism breaks down molecules, releasing energy; this creates energy needed from food.
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Energy Expenditure: Basal energy expenditure (BEE) is the minimum energy required at rest; total energy expenditure (TEE) includes energy required for basic functions and activity.
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Factors affecting metabolic rate: Extreme temperatures (7-15% increase), caffeine, alcohol, nicotine all influence the metabolic rate.
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Description
Explore the essential topics of human nutrition, including energy sources from macronutrients and how they affect digestion, absorption, and metabolism. Learn about the storage of glucose and fats, the role of proteins in cellular mass, and the importance of enzymes and hormones in the body's energy production and homeostasis.